Home / 89,857.37-124,003.29-49,571.04

Finding the Fourth Proportional to 89,857.37, 124,003.29 and 49,571.04

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Solution

The fourth proportional to 89,857.37, 124,003.29 and 49,571.04 is: 68,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.37 : 124,003.29 = 49,571.04 : x
  2. Step 2: Convert to fraction form
    89,857.37/124,003.29 = 49,571.04/x
  3. Step 3: Cross multiply
    89,857.37x = 124,003.29 × 49,571.04
  4. Step 4: Simplify right side
    89,857.37x = 6,146,972,048.72
  5. Step 5: Solve for x
    x = 6,146,972,048.72/89,857.37
  6. Step 6: Final answer
    x = 68,408.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.